| Jack Dunn | |
| Full Name: | John Markham Dunn |
| Birth Date: | 17 November 1918 |
| Birth Place: | Otahuhu, New Zealand |
| Death Place: | Papakura, New Zealand |
| Height: | 183 cm |
| Weight: | 89 kg |
| School: | Ararimu School |
| Position: | Wing |
| Repyears1: | 1946 |
| Repcaps1: | 1 |
| Reppoints1: | 0 |
John Markham Dunn (17 November 1918 — 4 June 2003) was a New Zealand rugby union international.[1]
Raised in Auckland, Dunn attended Ararimu School and played his rugby for various South Auckland clubs, including the Manukau Rovers. He made his Auckland representative debut in 1943.[2]
Dunn, a sizable wing three-quarter, was capped once by the All Blacks, against the Wallabies at Carisbrook in the 1st Test of the 1946 home Bledisloe Cup series. He got outplayed by his opposite winger Charlie Eastes in an All Blacks loss and was replaced by Eric Boggs in the team for Eden Park.[3]